1. Simple LED circuit

2. LED + > – (+) Power Source Resistor Diode Earth Anode (+)
Cathode (-)
+ > –

3. LED  20mA  3 Volts 1.7 Volts 0 Volts Colour Voltage Red 1.7 – 2.7
Orange
1.9 – 2.2
Yellow
2.1 – 2.5
Green
2.2 – 2.5
Blue
3.2 – 4.9

4. LED
 20mA
 20mA
3 Volts –
1.3 Volts –
1.7 Volts =
0 Volts

5. 220  is a common resistor close to required value
LED
Innovator
Resistor
220  2 2
x 100 5%
10% 

6. LED
Innovator
Innovator
Resistor
220 
(+)

7. LED
Connected
Supply Rail

8. LED
Innovator
+ > –

9. LED
Connect to PWR output 2
Innovator

10. LED You’re ready to start programming! Define blink()= Prgm
Send "BEGIN"
DelVar iostr.str0
GetStr iostr.str0
Disp iostr.str0
Local n
Send "CONNECT LED 1 TO BB 1"
For n,1,10
Send "SET LED 1 ON "
Wait 1
Send "SET LED 1 OFF "
EndFor
EndPrgm
You’re ready to start programming!

11. LED Save the program: Ctrl + B
Define binary_display(val)=
Prgm
Send "BEGIN"
DelVar iostr.str0
GetStr iostr.str0
Disp iostr.str0
Local n
Send "CONNECT LED 1 TO BB 1"
For n,1,10
Send "SET LED 1 ON "
Wait 1
Send "SET LED 1 OFF "
EndFor
EndPrgm
Save the program: Ctrl + B
This command also scans the program code for errors.

12. LED Define binary_display(val)= Prgm Send "BEGIN" DelVar iostr.str0
GetStr iostr.str0
Disp iostr.str0
Local n
Send "CONNECT LED 1 TO BB 1"
For n,1,10
Send "SET LED 1 ON "
Wait 1
Send "SET LED 1 OFF "
EndFor
EndPrgm